>> usual Linux distributions. Otherwise, write one. The PPM, PGM, PBM >> formats (default for scanimage output) are very simple, and it is > > None of those formats support 4-bit data. > They do support maxlevel=15 data, but the data are represented with 8-bits. > PBM (P4) is one bit per pixel. If you want you could stack 4 pbm images. >
gif does. i use it every day in 4 bit mode allan -- "so don't tell us it can't be done, putting down what you don't know. money isn't our god, integrity will free our souls" - Max Cavalera
